🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 8.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.7 AU - 0.74 AU

Year: 414 Days

Day: 5.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,285,118 km

• M1: 105,766 km (0.042 R)
• M2: 453,132 km (0.045 R)
• M3: 956,828 km (0.098 R)
• M4: 1,444,068 km (0.112 R)
• M5: 2,103,496 km (0.117 R)
• M6: 2,730,760 km (0.092 R)
• M7: 2,997,343 km (0.098 R)
• M8: 3,435,366 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.2

Radius: 9.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.58 AU - 0.94 AU

Year: 449 Days

Day: 10.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,285,118 km

• M1: 120,725 km (0.113 R)
• M2: 475,721 km (0.033 R)
• M3: 792,420 km (0.108 R)
• M4: 1,131,259 km (0.084 R)
• M5: 1,489,696 km (0.118 R)
• M6: 2,201,333 km (0.114 R)
• M7: 3,096,975 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.4

Radius: 9.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.04 AU - 1.36 AU

Year: 892 Days

Day: 9.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,285,118 km

• M1: 119,678 km (0.108 R)
• M2: 566,826 km (0.12 R)
• M3: 1,025,643 km (0.077 R)
• M4: 1,325,736 km (0.074 R)
• M5: 1,640,789 km (0.069 R)
• M6: 2,066,695 km (0.07 R)
• M7: 2,565,603 km (0.104 R)
• M8: 3,273,201 km (0.07 R)
• M9: 4,452,332 km (0.108 R)
• M10: 5,593,614 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361

Radius: 8.2

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.51 AU - 1.83 AU

Year: 1464 Days

Day: 9.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,285,118 km

• M1: 103,372 km (0.029 R)
• M2: 375,491 km (0.104 R)
• M3: 728,990 km (0.056 R)
• M4: 1,473,689 km (0.116 R)
• M5: 2,126,983 km (0.092 R)
• M6: 2,579,666 km (0.11 R)
• M7: 2,855,075 km (0.112 R)
• M8: 3,724,239 km (0.108 R)
• M9: 4,470,882 km (0.073 R)
• M10: 5,137,191 km (0.054 R)
• M11: 5,699,978 km (0.118 R)
• M12: 6,597,266 km (0.092 R)
• M13: 6,971,859 km (0.099 R)
• M14: 7,892,784 km (0.116 R)
• M15: 8,697,321 km (0.088 R)
• M16: 10,405,878 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.6

Radius: 15

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.94 AU - 4.32 AU

Year: 4691 Days

Day: 7.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,285,118 km

• M1: 186,549 km (0.118 R)
• M2: 697,724 km (0.065 R)
• M3: 1,180,327 km (0.117 R)
• M4: 1,806,993 km (0.109 R)
• M5: 2,898,908 km (0.118 R)
• M6: 3,478,450 km (0.085 R)
• M7: 4,042,882 km (0.044 R)
• M8: 4,821,689 km (0.104 R)
• M9: 5,641,186 km (0.102 R)
• M10: 6,456,644 km (0.118 R)
• M11: 10,440,136 km (0.068 R)
• M12: 11,250,358 km (0.064 R)
• M13: 12,744,093 km (0.075 R)
• M14: 15,714,209 km (0.12 R)
• M15: 16,478,654 km (0.086 R)
• M16: 19,585,353 km (0.119 R)
• M17: 20,609,799 km (0.043 R)
• M18: 22,396,148 km (0.076 R)
• M19: 23,897,961 km (0.11 R)
• M20: 25,306,275 km (0.053 R)
• M21: 26,357,200 km (0.112 R)
• M22: 28,719,650 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.2

Radius: 4.9

Gravity: 35.41 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.35 AU - 7.83 AU

Year: 11474 Days

Day: 16.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,285,118 km

• M1: 60,886 km (0.091 R)
• M2: 215,720 km (0.107 R)
• M3: 378,931 km (0.106 R)
• M4: 653,294 km (0.064 R)
• M5: 1,422,227 km (0.114 R)
• M6: 1,645,427 km (0.095 R)
• M7: 2,297,225 km (0.116 R)
• M8: 4,329,512 km (0.069 R)
• M9: 4,671,194 km (0.071 R)
• M10: 4,930,895 km (0.115 R)
• M11: 9,190,396 km (0.05 R)
• M12: 10,286,948 km (0.051 R)
• M13: 12,861,976 km (0.083 R)
• M14: 13,436,881 km (0.119 R)
• M15: 14,230,049 km (0.045 R)
• M16: 15,123,896 km (0.074 R)
• M17: 17,023,041 km (0.088 R)
• M18: 22,000,312 km (0.063 R)
• M19: 22,545,596 km (0.082 R)
• M20: 24,236,052 km (0.066 R)
• M21: 25,707,796 km (0.112 R)
• M22: 26,009,086 km (0.079 R)
• M23: 33,249,324 km (0.117 R)
• M24: 34,087,969 km (0.038 R)
• M25: 38,232,279 km (0.104 R)
• M26: 42,001,996 km (0.044 R)
• M27: 46,604,823 km (0.113 R)
• M28: 47,654,701 km (0.11 R)
• M29: 49,801,430 km (0.099 R)
• M30: 52,011,739 km (0.105 R)
• M31: 54,286,674 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.4

Radius: 7

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 9.25 AU - 12.21 AU

Year: 23839 Days

Day: 16.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,285,118 km

• M1: 87,216 km (0.063 R)
• M2: 657,483 km (0.085 R)
• M3: 948,002 km (0.046 R)
• M4: 1,188,256 km (0.066 R)
• M5: 1,725,911 km (0.102 R)
• M6: 2,069,687 km (0.113 R)
• M7: 2,636,064 km (0.069 R)
• M8: 4,134,885 km (0.12 R)
• M9: 5,282,002 km (0.055 R)
• M10: 5,733,488 km (0.074 R)
• M11: 6,333,824 km (0.074 R)
• M12: 8,286,824 km (0.087 R)
• M13: 10,905,236 km (0.092 R)
• M14: 11,512,903 km (0.084 R)
• M15: 12,401,065 km (0.113 R)
• M16: 13,063,036 km (0.084 R)
• M17: 15,264,817 km (0.054 R)
• M18: 16,889,749 km (0.112 R)
• M19: 17,537,957 km (0.033 R)
• M20: 18,798,020 km (0.098 R)
• M21: 20,207,381 km (0.072 R)
• M22: 21,309,618 km (0.086 R)
• M23: 23,733,702 km (0.107 R)
• M24: 24,036,488 km (0.114 R)
• M25: 25,907,210 km (0.098 R)
• M26: 43,277,617 km (0.077 R)
• M27: 45,259,041 km (0.063 R)
• M28: 48,424,232 km (0.095 R)
• M29: 49,401,705 km (0.077 R)
• M30: 52,413,409 km (0.086 R)
• M31: 54,312,853 km (0.032 R)
• M32: 61,416,957 km (0.096 R)
• M33: 66,082,765 km (0.109 R)
• M34: 66,882,665 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 13,793 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit